CN205073483U - Medical catheter transfers curved device - Google Patents
Medical catheter transfers curved device Download PDFInfo
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- CN205073483U CN205073483U CN201520798790.2U CN201520798790U CN205073483U CN 205073483 U CN205073483 U CN 205073483U CN 201520798790 U CN201520798790 U CN 201520798790U CN 205073483 U CN205073483 U CN 205073483U
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- spring
- shell fragment
- medical catheter
- retainer ring
- fixed
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Abstract
The embodiment of the utility model discloses medical catheter transfers curved device is applied to the medical instrument field. In the carrier roller device, the device includes: shell fragment 10, spring 20, stay tube 30 and wire drawing 12, shell fragment 10 is fixed the distal end of spring 20, the near -end of spring 20 is fixed the distal end of stay tube 30, the near -end of stay tube 30 is connected to the tail end of pipe, wire drawing 12 is passed through 20 draws on the spring the hollow tube of stay tube 30 leads to the tail end of pipe. The utility model provides a medical catheter transfers curved device has solved the medical catheter among the prior art, and to have the bendability not enough, can not get involved the problem of operation in crooked blood vessel smoothly, has satisfied the requirement that has compliance and bending nature simultaneously when medical catheter is getting involved the operation in the blood vessel the inside of bending.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to a kind of medical catheter and adjusts bending apparatus.
Background technology
At medical domain, in medical interventions, often can use the conduit adjusting kinking structure, advance can be bent along with the direction of vascular bending when performing the operation in bending blood vessel, complete operation smoothly.
But conduit of the prior art is in order to meet the compliance of conduit, abandon when designing the performance that a part of head end adjusts curved support force, so just cause the distortion of stay pipe, this carrying out for intervene operation is very disadvantageous.
Therefore, need a medical catheter to adjust bending apparatus to make medical catheter can either meet submissive performance and have bending concurrently again.
Utility model content
The purpose of this utility model is that solving medical catheter of the prior art also exists bendability not, can not carry out the problem of intervene operation smoothly in curved blood vessel.
In view of this, this utility model provides a kind of medical catheter to adjust bending apparatus, can comprise:
Shell fragment 10, spring 20, stay pipe 30 and wire drawing 12;
Described shell fragment 10 is fixed on the far-end of described spring 20, the near-end of described spring 20 is fixed on the far-end of described stay pipe 30, the near-end of described stay pipe 30 is connected to the tail end of conduit, and described wire drawing 12 leads to the tail end of described conduit by the hollow pipe of described spring 20 and described stay pipe 30.
Preferably, the far-end of described shell fragment 10 is fixed with fixture 11, and described fixture 11 is connected with the far-end of described wire drawing 12.
Preferably, the near-end of described shell fragment 10 is fixed with shell fragment retainer ring 13, and the fixed form of described shell fragment 10 and described shell fragment retainer ring 13 is for welding.
Preferably, the far-end of described spring 20 is fixed with the first retainer ring 22, and the fixed form of described first retainer ring 22 and described spring 20 is for welding.
Preferably, the near-end of described spring 20 is fixed with the second retainer ring 21, and the fixed form of described second retainer ring 21 and described spring 20 is for welding.
Preferably, described first retainer ring 22 is connected with described shell fragment retainer ring 13.
Preferably, described second retainer ring 21 is connected with the far-end of described stay pipe 30.
As can be seen from the above technical solutions, this utility model has the following advantages:
In this utility model, this apparatus structure is by arranging spring, make medical catheter when entering into bending blood vessel, can bend along with the bending of blood vessel, there is good compliance, and when shell fragment wire drawing is stressed, spring also can give a support force, the support force that existing so good compliance has had again, meet the requirement simultaneously when medical catheter carries out intervene operation inside bending blood vessel with compliance and bending, solving medical catheter of the prior art, to there is bendability inadequate, the problem of intervene operation can not be carried out smoothly in curved blood vessel.
Accompanying drawing explanation
Fig. 1 is the structure chart that a kind of medical catheter of the present utility model adjusts bending apparatus;
Fig. 2 is the top view that a kind of medical catheter of the present utility model adjusts bending apparatus;
Fig. 3 is that a kind of medical catheter of the present utility model adjusts the schematic diagram of bending apparatus inside blood vessel.
Detailed description of the invention
This utility model embodiment provides a kind of medical catheter and adjusts bending apparatus, can solve medical catheter of the prior art and there is bendability not, can not carry out the problem of intervene operation in curved blood vessel smoothly.
This utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of this utility model part, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of this utility model protection.
Refer to Fig. 1, be the structure chart of a kind of medical catheter tune bending apparatus embodiment 1 that this utility model provides, as seen from Figure 1, described device specifically can comprise: shell fragment 10, spring 20, stay pipe 30 and wire drawing 12; Wherein said shell fragment 10 is fixed on the far-end of described spring 20, the near-end of described spring 20 is fixed on the far-end of described stay pipe 30, the near-end of described stay pipe 30 is connected to the tail end of conduit, the far-end of described wire drawing 12 is fixed on the far-end of described shell fragment 10, and described wire drawing 12 leads to the tail end of described conduit by the hollow pipe of described spring 20 and described stay pipe 30.Make described tune bending apparatus when entering curved blood vessel like this, described spring 20 can bend along with the bending of blood vessel, have good compliance, and the structure of described spring 20 can support again the support force needed when described shell fragment 10 bends.
A kind of medical catheter that the present embodiment provides adjusts bending apparatus structure by arranging spring, make medical catheter when entering into bending blood vessel, can bend along with the bending of blood vessel, there is good compliance, and when shell fragment wire drawing is stressed, spring also can give a support force, the support force that existing so good compliance has had again, meet the requirement simultaneously when medical catheter carries out intervene operation inside bending blood vessel with compliance and bending, solving medical catheter of the prior art, to there is bendability inadequate, the problem of intervene operation can not be carried out smoothly in curved blood vessel.
Beneficial effect for the ease of a kind of ECG detection device provided this utility model has one to understand more intuitively, this utility model additionally provides embodiment 2, and composition graphs 1 one kinds of medical catheters adjust the structural representation of bending apparatus and a kind of medical catheter of Fig. 2 to adjust the top view of bending apparatus to be described in detail.
Medical catheter tune bending apparatus in the present embodiment comprises all constituents in Fig. 1, and the description of its annexation and operation principle reference example 1, repeats no more here.
Further, in the present embodiment, the far-end of described shell fragment 10 is fixed with fixture 11, and described fixture 11 is connected with the far-end of described wire drawing 12.Be understandable that, also need to bear larger pulling force after the far-end of described fixture 11 and described wire drawing 12 links together.
Preferably, the near-end of described shell fragment 10 is fixed with shell fragment retainer ring 13, and the fixed form of described shell fragment 10 and described shell fragment retainer ring 13 is for welding.Be understandable that, the hollow of described shell fragment retainer ring 13 can not be shut, so that can through the wire drawing 12 being fixed on shell fragment 10 far-end.
Preferably, the far-end of described spring 20 is fixed with the first retainer ring 22, and the fixed form of described first retainer ring 22 and described spring 20 is for welding.Wherein, after described first retainer ring 22 is fixing with described spring 20, the hollow of described first retainer ring 22 can not be shut, can pass wire drawing 12.
Preferably, the near-end of described spring 20 is fixed with the second retainer ring 21, and the fixed form of described second retainer ring 21 and described spring 20 is for welding.Wherein, after described second retainer ring 21 is fixing with described spring 20, the hollow of described second retainer ring 21 can not be shut, can pass wire drawing 12.
Preferably, described first retainer ring 22 is connected with described shell fragment retainer ring 13.
Preferably, described second retainer ring 21 is connected with the far-end of described stay pipe 30.
Below in conjunction with the schematic diagram of accompanying drawing 3 one kinds of medical catheters tune bending apparatus inside blood vessel, operation principle when described medical catheter apparatus works in blood vessel is described.
As shown in Figure 3, inside bending blood vessel 40, described spring 20 bends along with the bending of blood vessel, have higher compliance, when pulling the tail end of described wire drawing 12, described shell fragment 10 can bend, thus obtain the bending of expection, the position that arbitrarily can adjust conduit head end made.
Wherein, described stay pipe 30 can select the tubing that hardness is higher, such as stainless steel tube.Stainless steel tube has higher hardness and toughness, can support stressed in described wire drawing 12 and not cause the distortion of described stay pipe 30, and the effect of the existing support of described spring 20 of head end has arbitrarily bending characteristic.In the present embodiment, this apparatus structure is by arranging spring, make medical catheter when entering into bending blood vessel, can bend along with the bending of blood vessel, there is good compliance, and when shell fragment wire drawing is stressed, spring also can give a support force, the support force that existing so good compliance has had again, meet the requirement simultaneously when medical catheter carries out intervene operation inside bending blood vessel with compliance and bending, solving medical catheter of the prior art, to there is bendability inadequate, the problem of intervene operation can not be carried out smoothly in curved blood vessel.
Term " first ", " second ", " the 3rd " " 4th " etc. (if existence) in description of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.The embodiments described herein should be appreciated that the data used like this can be exchanged in the appropriate case, so that can be implemented with the order except the content except here diagram or description.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
The above, above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail this utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (7)
1. medical catheter adjusts a bending apparatus, and it is characterized in that, described device comprises:
Shell fragment (10), spring (20), stay pipe (30) and wire drawing (12);
Described shell fragment (10) is fixed on the far-end of described spring (20), the near-end of described spring (20) is fixed on the far-end of described stay pipe (30), the near-end of described stay pipe (30) is connected to the tail end of conduit, and described wire drawing (12) leads to the tail end of described conduit by the hollow pipe of described spring (20) and described stay pipe (30).
2. device according to claim 1, is characterized in that, the far-end of described shell fragment (10) is fixed with fixture (11), and described fixture (11) is connected with the far-end of described wire drawing (12).
3. device according to claim 1, it is characterized in that, the near-end of described shell fragment (10) is fixed with shell fragment retainer ring (13), and the fixed form of described shell fragment (10) and described shell fragment retainer ring (13) is for welding.
4. device according to claim 3, it is characterized in that, the far-end of described spring (20) is fixed with the first retainer ring (22), and the fixed form of described first retainer ring (22) and described spring (20) is for welding.
5. device according to claim 3, it is characterized in that, the near-end of described spring (20) is fixed with the second retainer ring (21), and the fixed form of described second retainer ring (21) and described spring (20) is for welding.
6. device according to claim 4, is characterized in that, described first retainer ring (22) is connected with described shell fragment retainer ring (13).
7. device according to claim 5, is characterized in that, described second retainer ring (21) is connected with the far-end of described stay pipe (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520798790.2U CN205073483U (en) | 2015-10-15 | 2015-10-15 | Medical catheter transfers curved device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520798790.2U CN205073483U (en) | 2015-10-15 | 2015-10-15 | Medical catheter transfers curved device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205073483U true CN205073483U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520798790.2U Active CN205073483U (en) | 2015-10-15 | 2015-10-15 | Medical catheter transfers curved device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205073483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852559A (en) * | 2018-07-18 | 2018-11-23 | 浙江大学 | Novel guiding catheter for aorta petal across valve |
-
2015
- 2015-10-15 CN CN201520798790.2U patent/CN205073483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852559A (en) * | 2018-07-18 | 2018-11-23 | 浙江大学 | Novel guiding catheter for aorta petal across valve |
| CN108852559B (en) * | 2018-07-18 | 2024-02-20 | 浙江大学 | Novel guiding catheter for aortic valve transvalve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191217 Address after: 518000 A101, 2f and 4f, building 9, baiwangxin Industrial Zone, Songbai Road, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Lepu (Shenzhen) International Development Center Co., Ltd. Address before: 102200 Beijing, Changping District super Road, building No. 37, No. 7 Patentee before: Lepu (Beijing) Medical Devices Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210419 Address after: 102200 Beijing, Changping District super Road, building No. 37, No. 7 Patentee after: Lepu Medical Technology (Beijing) Co.,Ltd. Address before: 518000 A101, 2f and 4f, building 9, baiwangxin Industrial Zone, Songbai Road, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Lepu (Shenzhen) International Development Center Co.,Ltd. |
|
| TR01 | Transfer of patent right |